VRCEMIG: A virtual reality system for real time control of electric substations. - Alexandre Cardoso; Edgard Lamounier Jr.; Gerson Lima; Luciene Chagas de Oliveira; Leandro Mattioli; Gesmar Junior; Alexandre Carvalho Silva; Kenedy Lopes Nogueira; Paulo do Prado; Jose Newton Ferreira (VR, 2013)